56751133 has 2 divisors, whose sum is σ = 56751134. Its totient is φ = 56751132.

The previous prime is 56751131. The next prime is 56751161. The reversal of 56751133 is 33115765.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51451929 + 5299204 = 7173^2 + 2302^2 .

It is a cyclic number.

It is not a de Polignac number, because 56751133 - 2¹ = 56751131 is a prime.

It is a super-3 number, since 3×56751133³ (a number of 24 digits) contains 333 as substring.

Together with 56751131, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 56751095 and 56751104.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56751131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28375566 + 28375567.

It is an arithmetic number, because the mean of its divisors is an integer number (28375567).

Almost surely, 2^56751133 is an apocalyptic number.

It is an amenable number.

56751133 is a deficient number, since it is larger than the sum of its proper divisors (1).

56751133 is an equidigital number, since it uses as much as digits as its factorization.

56751133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9450, while the sum is 31.

The square root of 56751133 is about 7533.3347861356. The cubic root of 56751133 is about 384.2891995504.

Adding to 56751133 its reverse (33115765), we get a palindrome (89866898).

The spelling of 56751133 in words is "fifty-six million, seven hundred fifty-one thousand, one hundred thirty-three".